Home / 522,110.18-720,495.06-307,262

Finding the Fourth Proportional to 522,110.18, 720,495.06 and 307,262

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Solution

The fourth proportional to 522,110.18, 720,495.06 and 307,262 is: 424,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,110.18 : 720,495.06 = 307,262 : x
  2. Step 2: Convert to fraction form
    522,110.18/720,495.06 = 307,262/x
  3. Step 3: Cross multiply
    522,110.18x = 720,495.06 × 307,262
  4. Step 4: Simplify right side
    522,110.18x = 221,380,753,125.72
  5. Step 5: Solve for x
    x = 221,380,753,125.72/522,110.18
  6. Step 6: Final answer
    x = 424,011.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.